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How to find bug report for PR 1FV62BT [message #438339]

Tue, 22 June 2004 16:09

Christian Fuchs

Messages: 10
Registered: July 2009

Junior Member

In AbstractTreeViewer I found the following code. Now I like to get more
details about the bug that is marked with "PR 1FV62BT". However, the bug
database does not seem to contain a bug with that "number".

/* (non-Javadoc) @see StructuredViewer#associate(Object, Item) */
protected void associate(Object element, Item item) {
Object data = item.getData();
if (data != null && data != element && equals(data, element)) {
// workaround for PR 1FV62BT
// assumption: elements are equal but not identical
// -> remove from map but don't touch children
unmapElement(data, item);
item.setData(element);
mapElement(element, item);
} else {
// recursively disassociate all
super.associate(element, item);
}
}

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Re: How to find bug report for PR 1FV62BT [message #438401 is a reply to message #438339]

Tue, 22 June 2004 17:44

Andrew Cornwall

Messages: 3
Registered: July 2009

Junior Member

Christian Fuchs wrote:
> In AbstractTreeViewer I found the following code. Now I like to get more
> details about the bug that is marked with "PR 1FV62BT". However, the bug
> database does not seem to contain a bug with that "number".

This happened before the Eclipse Bugzilla was set up. Unfortunately,
there's no way for you to find that PR.

The problem was that, when you updated an SWT TreeItem with a new
element that was equal to (but not identical to) the old element, SWT
would clear the data pointers on all TreeItems of the subtree but not
dispose the items. If you then collapsed/expanded, SWT would find the
data pointer empty and assume the dummy node. Because of this, it would
then dispose the first node and recreate all children.

The end result of not having this fix is that you'll see more and more
items (all children except the first) continually being added to the tree.

Andrew Jr.

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Phoenix, Arizona, USA 85028-1614

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